Funky looking lower design. Who cuts those?
kind of looks like a Quentin Defense at the back, but don’t recognize that mag well with the lightening cuts/machine work, or that machine work ahead of the trigger. Here’s an old pic of one of my QD lowers with the matching upper:
…the upper receiver on the one above looks like it‘s not a matched set…. Kind of like here, same QD lower, but with an Aero Precision upper: